景嘉微：公司主要从事高可靠电子产品的研发、生产和销售

Group 1 - The company, Jingjia Micro, primarily engages in the research, production, and sales of high-reliability electronic products [2] - The main product areas include graphics display control, small specialized radar, chip sector, and other fields [2] - Graphics display control is the company's current core business and traditional strength, while small specialized radar and chips are identified as future growth areas [2]